Needle locker in an overlock sewing machine
US4993336A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 12, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Jun 12, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B55/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A needle locker has a body having therein a first needle receiving hole and a second needle receiving hole. The first needle receiving hole is arranged in a direction perpendicular to the cloth feeding direction. The second needle receiving hole is adjacent the first needle receiving hole and arranged in the same direction. Two needles are disposed in the first needle receiving hole in adjacent parallel relationship and are detachably secured in the first needle receiving hole by a first setscrew. A single needle is inserted in and fitted detachably to the second needle receiving hole by a second short needle setscrew.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.